whalesucker vs Remilegia australis

whalesucker and Remilegia australis both are nouns.

Word	Noun	Adjective	Verb	Adverb
whalesucker	Yes	No	No	No
Remilegia australis	Yes	No	No	No

As nouns, whalesucker and Remilegia australis are synonyms defined as:

whalesucker and Remilegia australis: large blue Pacific remora that attaches to whales and dolphins

Other synonyms of whalesucker include whale sucker.

whalesucker (noun)	Remilegia australis (noun)
large blue Pacific remora that attaches to whales and dolphins	large blue Pacific remora that attaches to whales and dolphins